Showerhead



FIG. 1 is a bottom perspective view of a showerhead showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a top perspective view thereof.

Broken lines of the disclosure represent portions of the showerhead that form no part of the claimed design. 

CLAIM I claim the ornamental design for a showerhead, as shown and described. 